<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>两列式布局</title>
		<style type="text/css">
			#container{
				column-count: 2;
				/* columns: 830px 2; */
				column-gap: 20px;
				column-rule: 30px solid green;
				width: 1500px;
				height: 820px;
				border: 5px outset #0000FF;
				/* display: flex; */
			}
			#container #left{
				width: 800px;
				height: 800px;
				background-color: yellow;
			}
			#container #right{
				width: 200px;
				height: 800px;
				background-color: red;
			}
		</style>
	</head>
	<body>
		<div id="container">
			<div id="left"></div>
			<div id="right"></div>
		</div>
	</body>
</html>
